Wall clock



FIG. 1 is a front elevational view of a wall clock showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 6 is a partial left side cross-sectional view of the rear half of the clock illustrating depth of the relief horse-head and clock face. 

The ornamental design for a wall clock, as shown and described. 